263334460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{1217}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 572947200

約数和(自身を除く): 309612740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 349, 620, 698, 1217, 1396, 1745, 2434, 3490, 4868, 6085, 6980, 10819, 12170, 21638, 24340, 37727, 43276, 54095, 75454, 108190, 150908, 188635, 216380, 377270, 424733, 754540, 849466, 1698932, 2123665, 4247330, 8494660, 13166723, 26333446, 52666892, 65833615, 131667230, 263334460]

約数ペア:

[(1, 263334460), (2, 131667230), (4, 65833615), (5, 52666892), (10, 26333446), (20, 13166723), (31, 8494660), (62, 4247330), (124, 2123665), (155, 1698932), (310, 849466), (349, 754540), (620, 424733), (698, 377270), (1217, 216380), (1396, 188635), (1745, 150908), (2434, 108190), (3490, 75454), (4868, 54095), (6085, 43276), (6980, 37727), (10819, 24340), (12170, 21638)]